Brush disk for rotary electric toothbrushes



FIG. 1 is a perspective view of a brush disk for rotary electrictoothbrushes according to the present invention;

FIG. 2 is a reduced top view of the brush of FIG. 1; and,

FIG. 3 is a reduced side view of the brush of FIG. 1.

The ornamental design for a brush disk for rotary electric toothbrushes,as shown and described.